Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January's onset brings an average high-temperature of a frosty 44.2°F (6.8°C), showing a minute difference from December's 42.3°F (5.7°C). Allyn reports an average low-temperature of 34.7°F (1.5°C) during the nights of January.Humidity
In Allyn, the average relative humidity in January is 87%.Rainfall
In Allyn, in January, during 17.6 rainfall days, 4.96" (126mm) of precipitation is typically accumulated. Throughout the year, there are 175.2 rainfall days, and 30.43" (773mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Allyn, during January, snow falls for 2.4 days and regularly aggregates up to 1.81" (46mm) of snow. In Allyn, during the entire year, snow falls for 12.1 days and aggregates up to 7.05" (179mm) of snow.Daylight
In Allyn, the average length of the day in January is 8h and 59min.On the first day of January in Allyn, sunrise is at 7:58 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:10 pm PST.
Sunshine
In Allyn, the average sunshine in January is 4.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: In January, a daily UV index of 2 turns into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To cut down UV radiation exposure by about half, sport a wide-brim hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Allyn during January?
What is the average humidity in January in Allyn?
How much does it rain in Allyn in January?
How much does it snow in Allyn in January?
How many hours of daylight does Allyn have in January?
When are sunrise and sunset in January in Allyn?
How many hours of sunshine does Allyn have in January?
When is the lowest UV index in Allyn?
How high is the UV index in January in Allyn?
Average temperature in January
Allyn, WA
- Average high temperature in January: 44.2°F
The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in January: 34.7°F
The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is December (33.8°F).
Average pressure in January
Allyn, WA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in January
Allyn, WA
- Average wind speed in January: 4.9mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).
Average humidity in January
Allyn, WA
- Average humidity in January: 87%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is July (69%).
Average rainfall in January
Allyn, WA
- Average rainfall in January: 4.96"
The wettest month (with the highest rainfall) is December (5").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in January
Allyn, WA
- Average rainfall days in January: 17.6 days
The month with the highest number of rainy days is March (19.7 days).
The month with the least rainy days is August (6 days).
Average snowfall in January
Allyn, WA
- Average snowfall in January: 1.81"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Allyn, WA
- Average snowfall days in January: 2.4 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Allyn, WA
- Average daylight in January: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in January
Allyn, WA
- Average sunshine days in January: 10.3 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is November (8.7 days).
Average UV index in January
Allyn, WA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Allyn, WA
- Average cloud cover in January: 59
The month with the most cloud cover is December (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in January
Allyn, WA
- Average visibility in January: 4mi
The months with the highest visibility are June, July and August (6mi).
The months with the lowest visibility are January, February, November and December (4mi).
Allyn, Washington, USA
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